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06-12-2020, 02:35 PM
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#1 |
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Registered User
Join Date: Jan 2013
Location: Calgary Alberta
Posts: 1,164
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Anybody replaced a 5.4 with a 5.3?
Apparently 5.3 Chevy engines are cheap and plentiful in the junkyards, the reason being they are so reliable and nobody needs replacements. Ford on the other hand seems to have forgotten, if they ever knew how, to build an engine. The 5.4 is a disaster with it spitting out spark plugs and breaking manifolds and bolts etc. etc. I have a nephew in law who has had all kinds of these problems with his. I think if I had been foolish enough to buy one of these and it gave me problems I'd look into putting in a GM engine and transmission. Anybody done this before?
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06-12-2020, 06:39 PM
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#2 |
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Moderator
 
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,154
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Re: Anybody replaced a 5.4 with a 5.3?
There have been many LS into Mustangs....mainly early series Fox bodies...
See http://www.brphotrods.com/products/7...ang/index.html Just buy the right Chevy vehicle in the first place and be done with it.... 
__________________
Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2012 Chevy Equinox
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06-12-2020, 07:42 PM
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#3 |
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driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,691
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Re: Anybody replaced a 5.4 with a 5.3?
Why waste all that time and effort when you can just buy a chevy with a LS already installed?
__________________
-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
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06-12-2020, 08:10 PM
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#4 |
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Registered User
Join Date: Jan 2013
Location: Calgary Alberta
Posts: 1,164
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Re: Anybody replaced a 5.4 with a 5.3?
The saying goes don't look a gift horse in the mouth. If one of these were gifted I might try it. Of course the driveshaft would need to go too. Apparently they weld the bearing in place and it costs $1800 to replace it. Nah, wouldn't be worth it. Tow it to the scrap yard.
Let the diesel guys yank theirs out and replace them with the Cummins. Maybe it's worth it for them. |
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06-15-2020, 10:06 AM
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#5 |
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Registered User
Join Date: Sep 2011
Location: Ark City, Kansas
Posts: 3,275
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Re: Anybody replaced a 5.4 with a 5.3?
I agree with Tom. Why swap the best engine into the worst pickup, EVER!!! There's too many other stupid ford screwups in the pickup body itself, to think a Chevy engine would make the deal near as good as a Chevy truck!!!
Nothing good about a ford, nothing..... |
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06-15-2020, 01:03 PM
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#6 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,512
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Re: Anybody replaced a 5.4 with a 5.3?
Sometimes fords are good for parts.
I bought a 64 1/2 ton for 200 bucks. Nobody would buy it because it had a poncho 455 and turbo 400 in it. I yanked the poncho and sold it with trans for a cool 2 grand. Found a 302 and c4 and installed it. Sold the truck for 1500 to a local kid. Took the profits and built an L-88 from a 427 I bought that came in a 68 impala. And around and around it goes! |
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06-16-2020, 12:14 PM
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#7 | |
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Registered User
Join Date: Sep 2011
Location: Ark City, Kansas
Posts: 3,275
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Re: Anybody replaced a 5.4 with a 5.3?
Quote:
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06-16-2020, 03:53 PM
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#8 | |
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driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,691
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Re: Anybody replaced a 5.4 with a 5.3?
Quote:
There is one thing. It is not a Dodge.
__________________
-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
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06-18-2020, 07:44 PM
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#9 | |
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Registered User
Join Date: Sep 2011
Location: Ark City, Kansas
Posts: 3,275
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Re: Anybody replaced a 5.4 with a 5.3?
Quote:
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06-28-2020, 12:16 AM
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#10 |
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Senior Member
 
Join Date: Sep 2004
Location: Wakaw, Sask, Canada
Posts: 3,167
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Re: Anybody replaced a 5.4 with a 5.3?
I have a 98 f150 with the 5.4, and the ONLY think I dont like about it is the 5.4. Too many issues, underpowered, just sucks. But truck has good brakes (my 98 gmc sure didnt..scary), and is built very solid. Would be a great truck with a gm drivetrain but not even close to worth doing. You might find one person somewhere online that has done the swap, but it will be rare as it would a real pain and anything with a 5.4 is an old truck...not classic, just old.
__________________
"You can take the man out of PA, but you can't take PA out of the man" |
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06-28-2020, 06:36 AM
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#11 |
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Registered User
Join Date: Jan 2013
Location: Calgary Alberta
Posts: 1,164
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Re: Anybody replaced a 5.4 with a 5.3?
I was watching some stuff on Youtube by the car wizard. According to him the 5.4 is a bad engine but both GM and Dodge in certain years have also had their share of problems.
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06-29-2020, 01:43 AM
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#12 |
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Registered User
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
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Re: Anybody replaced a 5.4 with a 5.3?
You may find more info on a ford ls swap site
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